diff --git a/python/postal/text/pytokenize.c b/python/postal/text/pytokenize.c
index 1527a782..d7d08daa 100644
--- a/python/postal/text/pytokenize.c
+++ b/python/postal/text/pytokenize.c
@@ -1,6 +1,6 @@
 #include <Python.h>
 
-#include "scanner.h"
+#include "src/scanner.h"
 
 #if PY_MAJOR_VERSION >= 3
 #define IS_PY3K
diff --git a/setup.py b/setup.py
index 72e8511d..611e5afb 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@ def main():
                           os.path.join(SRC_DIR, 'utf8proc/utf8proc.c'),
                           'python/postal/text/pytokenize.c',
                       ],
-                      include_dirs=[SRC_DIR],
+                      include_dirs=['.'],
                       extra_compile_args=['-O0'],
                       ),